doc - Create and maintain documentation targeted to ONAP user audiences

Age	Commit message (Expand)	Author	Files	Lines
2019-05-16	"Using Onap" section content and structure changed to reflect content and str...	thmsdt	2	-135/+0
2019-04-24	Migration of Service Design from Wiki to Readthedocs User Guide	Eric Debeau	2	-0/+135